friendliest twitter user of 2011

2011's Friendlist Twitter User (or “Twitterer”) is: Sean Mackin of Yellowcard (@smackinyc) (pictured second from left) “Because he replies to everyone, and [you] can actually have a good, long conversation with [him].” – Kayleigh Arendt, Lafayette, CO Mackin's top 5 ways to be friendly on Twitter: 1. I’m a pretty positive person, so I think […]